Manny Pacquiao has come out swinging after being advised of the recent smack talk from Floyd Mayweather Jr. During Mayweather's ten city tour to promote his September 14th clash with Saul "Canelo" Alvarez, he called Pacquiao a "has-been" and said the Filipino fighter's "career was over."

Pacquiao, who faces Brandon Rios in November, dared Mayweather to face him if both fighters find success in the fall. Pacquiao also said Juan Manuel Marquez landed a "lucky punch" when the Mexican fighter knocked him cold in the sixth round of their fourth meeting last September.
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